US6688921B2 - Thermoplastic molded set screw connector assembly - Google Patents

Thermoplastic molded set screw connector assembly Download PDF

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Publication number
US6688921B2
US6688921B2 US10/265,210 US26521002A US6688921B2 US 6688921 B2 US6688921 B2 US 6688921B2 US 26521002 A US26521002 A US 26521002A US 6688921 B2 US6688921 B2 US 6688921B2
Authority
US
United States
Prior art keywords
set screw
cable
apertures
bus bar
receiving apertures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US10/265,210
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English (en)
Other versions
US20030087552A1 (en
Inventor
Alan D. Borgstrom
Kieran Higgins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Installation Products International LLC
Original Assignee
Thomas and Betts International LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomas and Betts International LLC filed Critical Thomas and Betts International LLC
Priority to US10/265,210 priority Critical patent/US6688921B2/en
Assigned to THOMAS & BETTS INTERNATIONAL, INC. reassignment THOMAS & BETTS INTERNATIONAL, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BORGSTROM, ALAN D., HIGGINS, KIERAN
Publication of US20030087552A1 publication Critical patent/US20030087552A1/en
Priority to US10/734,786 priority patent/US6817910B2/en
Application granted granted Critical
Publication of US6688921B2 publication Critical patent/US6688921B2/en
Assigned to THOMAS & BETTS INTERNATIONAL LLC reassignment THOMAS & BETTS INTERNATIONAL LLC CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: THOMAS & BETTS INTERNATIONAL, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections

Definitions

  • the present invention relates generally to a set screw connector for connecting electrical conductors. More particularly, the present invention relates to a submersible set screw connector assembly having a thermoplastic insulator overmolded about a machined bus bar in an integral unit.
  • insulated bus bar connectors for making electrical connections between power conductors.
  • These connectors include a machined bus bar formed of metallic material having apertures or ports arranged at right angles for insertably accommodating the ends of electrical conductors and set screws which secure the conductors thereto.
  • the machined bus bar includes a thermoset rubber compound injected therearound as an insulated covering. The covering protects against accidental contact with the energized bus bar.
  • the cover may be a watertight EPDM rubber or similar thermoset rubber compounds. An example of such a connector is shown in U.S. Pat. No. 5,848,913.
  • FIG. 1 A conventional set screw connector 10 is shown in FIG. 1 .
  • Set screw connector 10 includes an insulative coating or cover 12 which surrounds a substantially rectangular metallic bus bar body 14 .
  • Cover 12 includes tubular extensions 16 projecting from a front face so as to access apertures in the bus bar for receiving electrical conductors inserted therein.
  • the cover further includes set screw extensions 18 extending at right angles from conductor extensions 16 , which themselves access apertures in the bus bar 12 which are in communication with the conductor apertures so as to allow accommodation of a set screw therein to secure the conductors in mechanical and electrical engagement, as is well known in the art.
  • the cover 12 of set screw connector 10 is formed by injecting an EPDM rubber compound around the machined bus bar.
  • auxiliary components such as set screws, sealing plugs used to cap set screw apertures, and cable adaptors used to accommodate a range of cable sizes, are separately supplied with the set screw connector.
  • These auxiliary components must be separately manufactured and formed. Furthermore, these components must be separately packaged and supplied. This is due, in part, to the thermoset rubber compound that is employed. Use of such thermoset compounds prevents the components of the set screw connector for being manufactured in a single process. Thus, the existing manufacturing processes used for manufacturing such submersible low voltage set screw connectors are time-consuming and costly.
  • the present invention set screw connector for accommodating and connecting a plurality of electrical cables.
  • the set screw connector includes an elongate generally rectangular conductive bus bar having a first face including a plurality of spaced apart cable receiving apertures.
  • the second face of the bus bar which is generally orthogonal to the first face includes a plurality of spaced set screw receiving apertures.
  • the cable receiving apertures are in communication with the set screw receiving apertures.
  • a cover formed of thermoplastic elastomer (TPE) is molded over the bus bar.
  • the cover includes integrally molded therewith a plurality of auxiliary components.
  • the auxiliary components are insertable to at least one of cable receiving apertures in the set screw receiving apertures.
  • the auxiliary components may include cable size adapters which are insertable into the cable receiving apertures to provide for accommodation of different size cables.
  • the auxiliary components may include sealing plugs which may be inserted into the set screw receiving apertures.
  • the cover may include an integrally attached tether for supporting the auxiliary components.
  • the cable size adapters may be detached from the tether for insertion into the cable receiving apertures.
  • the set screw plugs are arranged so that they may be inserted into the set screw apertures while still attached to the tether.
  • FIG. 1 is a perspective showing of a prior art submersible set screw connector.
  • FIG. 2 is a perspective showing of the submersible set screw connector of the present invention.
  • FIGS. 3, 4 and 5 show top, side and bottom plan views, respectively, of the submersible set screw connector assembly of FIG. 2 .
  • FIG. 6 is a horizontal cross-sectional view of the set screw connector of FIG. 2 .
  • FIG. 7 is a rear plan view of the set screw connector of FIG. 2 .
  • the present invention provides a submersible low voltage set screw connector assembly where the machined bus bar forming the connector is overmolded with a thermoplastic elastomer in a process which also forms therewith the auxiliary components used in combination with the set screw connector.
  • the connector assembly 100 includes a generally rectangular bus bar body 110 formed of machined conductive metal (FIG. 6 ).
  • the bus bar body 110 has a plurality of conductor receiving apertures 112 along one face, and a plurality of set screw receiving apertures 114 along a second face orthogonal to the first face and in communication with the conductor apertures 112 .
  • the body 110 includes an insulative coating or cover 116 in substantially surrounding relationship.
  • the covering 116 is molded thermoplastic elastomer (TPE) that combines the properties of thermoplastic with the performance characteristics of a thermoset rubber. These materials allow for decreased molding cycle time and improve repeatability. These materials are more efficient to manufacture in that the molding process does not require the constant attention formerly associated with the use of thermoset rubbers.
  • TPE thermoplastic elastomer
  • the assembly 100 is molded to include tubular extensions 118 extending from the metallic bus bar adjacent conductor receiving apertures 112 . Extensions 118 each accommodate the insertion of a conductor (not shown) therein.
  • the cover 110 also includes set screw extensions 120 extending from set screw apertures 114 . The set screw apertures 114 and set screw apertures 120 accommodate preassembled set screws (not shown) for securing the connector in the conductor apertures 112 .
  • the ability to mold the cover out of a thermoplastic elastomer enables the molding process to further form auxiliary components in one integrally formed unit.
  • the cover 110 may be molded with certain auxiliary components such as sealing plugs 130 which are each attached to the bus bar by an elongate cord or tether 132 and cable size adaptors 140 which are formed adjacent sealing plugs 130 .
  • the sealing plugs 130 are molded directly to the distal end of the tether 132 .
  • the cable size adapters 140 are molded distally adjacent the sealing plugs 130 .
  • the cable size adapters 140 are frangibly connected by an integrally molded web 135 .
  • the assembly 100 is supplied as a single-package unit where in the field, the cable size adaptors 140 may be severed from the sealing plugs 130 at web 135 and used in a conventional fashion to effect proper insertion of an appropriately sized cable.
  • the tether 132 is molded to include web 135 allowing for detachment of the adaptors 140 therefrom.
  • cable size adapters 140 when positioned within cable extensions 118 allow proper accommodation of different sizes of conductors.
  • cable size adapters may include markings molded thereon to identify the proper conductor range accommodated by the corresponding sections thereof.
  • the sealing plugs 130 may be inserted into the set screw extensions 120 after the preassembled set screws have been tightened by the user to secure the conductor in the bus bar. This seals the set screw apertures.
  • the tethers 132 allow the sealing plugs to be inserted into the set screw extensions while still tethered.
  • the ability to mold the assembly in a single package decreases the chances of loss of the auxiliary components in the field. It also ensures that at the time of installation, all of the necessary components will be available to the installer.
  • much of the necessary basic installation and measurement information is molded into the covering and the auxiliary components to provide the information to the technician without need for reference to separate installation instructions.
  • such information may include cable range guides and score marks on the cable adapters.
  • one face 116 a of the cover over the bus bar may include catalog information, a guide for stripping the conductor, cable ranges as well as torque requirements. Again, this provides the technician with the ability to have all necessary components as well as instructions on hand in one unit. This helps reduce installation error and reduces installation time and cost.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Multi-Conductor Connections (AREA)
US10/265,210 2001-10-10 2002-10-04 Thermoplastic molded set screw connector assembly Expired - Lifetime US6688921B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/265,210 US6688921B2 (en) 2001-10-10 2002-10-04 Thermoplastic molded set screw connector assembly
US10/734,786 US6817910B2 (en) 2001-10-10 2003-12-12 Thermoplastic molded set screw connector assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32837201P 2001-10-10 2001-10-10
US10/265,210 US6688921B2 (en) 2001-10-10 2002-10-04 Thermoplastic molded set screw connector assembly

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/734,786 Continuation US6817910B2 (en) 2001-10-10 2003-12-12 Thermoplastic molded set screw connector assembly

Publications (2)

Publication Number Publication Date
US20030087552A1 US20030087552A1 (en) 2003-05-08
US6688921B2 true US6688921B2 (en) 2004-02-10

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Family Applications (2)

Application Number Title Priority Date Filing Date
US10/265,210 Expired - Lifetime US6688921B2 (en) 2001-10-10 2002-10-04 Thermoplastic molded set screw connector assembly
US10/734,786 Expired - Lifetime US6817910B2 (en) 2001-10-10 2003-12-12 Thermoplastic molded set screw connector assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
US10/734,786 Expired - Lifetime US6817910B2 (en) 2001-10-10 2003-12-12 Thermoplastic molded set screw connector assembly

Country Status (3)

Country Link
US (2) US6688921B2 (fr)
CA (1) CA2406989C (fr)
MX (1) MXPA02010032A (fr)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030228780A1 (en) * 2002-05-16 2003-12-11 Homac Mfg. Company Electrical connector with anti-flashover configuration and associated methods
US20040102091A1 (en) * 2002-05-16 2004-05-27 Homac Mfg. Company Electrical connector including thermoplastic elastomer material and associated methods
US6790063B2 (en) 2002-05-16 2004-09-14 Homac Mfg. Company Electrical connector including split shield monitor point and associated methods
US6830475B2 (en) 2002-05-16 2004-12-14 Homac Mfg. Company Electrical connector with visual seating indicator and associated methods
US20050208808A1 (en) * 2002-05-16 2005-09-22 Homac Mfg. Company Electrical connector including silicone elastomeric material and associated methods
US6997759B1 (en) * 2004-12-30 2006-02-14 Homac Mfg. Company Electrical connector including moveable cable seating indicators and associated methods
US20060035498A1 (en) * 2002-05-16 2006-02-16 Homac Mfg. Company Enhanced separable connector with thermoplastic member and related methods
US20060148336A1 (en) * 2004-12-30 2006-07-06 Homac Mfg. Company Electrical connector including removable tether and cap assemblies and associated methods
US20060148287A1 (en) * 2004-12-30 2006-07-06 Homac Mfg. Company Electrical connector including insulating boots and associated methods
US20060148329A1 (en) * 2004-12-30 2006-07-06 Homac Mfg. Company Electrical connector including viewing windows and associated methods
US7090532B1 (en) * 2005-04-04 2006-08-15 Michel Kaine Rocket for electrical connectors
US20060286862A1 (en) * 2004-12-30 2006-12-21 Homac Mfg. Company Reusable insulating and sealing structure including tethered cap and associated methods
US7229325B1 (en) 2005-07-29 2007-06-12 Ilsco Corporation Submersible electrical connector
US20070281556A1 (en) * 2006-06-05 2007-12-06 Homac Mfg. Company Electrical connector with plug tether assembly and related methods
US20080009184A1 (en) * 2004-12-30 2008-01-10 Homac Mfg. Company Electrical connector including viewing window assembly and associated methods
US20090176416A1 (en) * 2006-07-25 2009-07-09 Ilsco Corporation Submersible electrical connector
US20090181577A1 (en) * 2006-06-05 2009-07-16 Thomas & Betts International, Inc. Electrical connector including cable end seals with tear stop member and related methods
US20100120300A1 (en) * 2008-11-07 2010-05-13 Robert James Battle Mains-power electrical connector
AU2008243172B2 (en) * 2008-11-07 2012-07-12 Sicame Australia Pty Ltd A Mains-Power Electrical Connector
US20140370731A1 (en) * 2012-02-01 2014-12-18 Harting Electric Gmbh & Co. Kg Electric coupling element
US9627795B2 (en) 2014-11-21 2017-04-18 Duane K. Smith Electrical connecting assemblies, and related methods
US10687855B2 (en) 2012-11-21 2020-06-23 Roger P. Jackson Bone anchor receiver with extension portions having controlled splay allowance helically wound flange forms
US10898233B2 (en) 2012-01-10 2021-01-26 Roger P. Jackson Medical implant receivers having dual lead in closure mating thread forms and curvate extending instrument engaging grooves
US10925647B2 (en) 2000-12-08 2021-02-23 Roger P. Jackson Threaded closure with inwardly-facing tool engaging concave radiused structures and axial through-aperture
US11147591B2 (en) 2004-11-10 2021-10-19 Roger P Jackson Pivotal bone anchor receiver assembly with threaded closure
US11224464B2 (en) 2002-05-09 2022-01-18 Roger P. Jackson Threaded closure with inwardly-facing tool engaging concave radiused structures and axial through-aperture
US12575860B2 (en) 2013-12-12 2026-03-17 Jackson Roger P Closure with strong balanced splay controlling thread form for bone anchor open receiver housings

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US9172167B2 (en) * 2004-11-20 2015-10-27 Al Cop Llc Junction failure inhibiting connector
US20060110986A1 (en) * 2004-11-20 2006-05-25 Al-Cop Llc Junction failure inhibiting connector
NL1029277C2 (nl) * 2005-06-17 2006-12-19 Ae Ind B V Kabelschoen voor het bevestigen van kabels aan een metalen oppervlak.
GB2439113A (en) * 2006-06-16 2007-12-19 Greenwood Air Man Ltd Seal for electrical terminal block
US7946896B2 (en) * 2007-04-30 2011-05-24 Hubbell Incorporated Submersible electrical set-screw connector
US7896714B2 (en) * 2008-06-13 2011-03-01 Hubbell Incorporated Submersible electrical set-screw connector
US7874872B2 (en) 2008-06-13 2011-01-25 Hubbell Incorporated Submersible electrical set-screw connector
US9660357B1 (en) * 2016-03-22 2017-05-23 David Worsham Electrical connector with internal crimping mechanism
US12316046B2 (en) 2021-08-26 2025-05-27 Hubbell Incorporated Electrical connector with tethered sealing caps
DE202021105126U1 (de) 2021-09-23 2023-01-09 Hellermanntyton Gmbh Elektrischer Verbinder mit Abdichtung

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US10925647B2 (en) 2000-12-08 2021-02-23 Roger P. Jackson Threaded closure with inwardly-facing tool engaging concave radiused structures and axial through-aperture
US10993745B2 (en) 2000-12-08 2021-05-04 Roger P. Jackson Threaded closure mechanism having a closed body with inwardly-facing concave radiused tool engaging surfaces and a downwardly extending rod-engaging structure
US11224464B2 (en) 2002-05-09 2022-01-18 Roger P. Jackson Threaded closure with inwardly-facing tool engaging concave radiused structures and axial through-aperture
US6830475B2 (en) 2002-05-16 2004-12-14 Homac Mfg. Company Electrical connector with visual seating indicator and associated methods
US20040102091A1 (en) * 2002-05-16 2004-05-27 Homac Mfg. Company Electrical connector including thermoplastic elastomer material and associated methods
US6905356B2 (en) * 2002-05-16 2005-06-14 Homac Mfg. Company Electrical connector including thermoplastic elastomer material and associated methods
US20050208808A1 (en) * 2002-05-16 2005-09-22 Homac Mfg. Company Electrical connector including silicone elastomeric material and associated methods
US20030228780A1 (en) * 2002-05-16 2003-12-11 Homac Mfg. Company Electrical connector with anti-flashover configuration and associated methods
US20060035498A1 (en) * 2002-05-16 2006-02-16 Homac Mfg. Company Enhanced separable connector with thermoplastic member and related methods
US7104822B2 (en) 2002-05-16 2006-09-12 Homac Mfg. Company Electrical connector including silicone elastomeric material and associated methods
US6811418B2 (en) 2002-05-16 2004-11-02 Homac Mfg. Company Electrical connector with anti-flashover configuration and associated methods
US7104823B2 (en) 2002-05-16 2006-09-12 Homac Mfg. Company Enhanced separable connector with thermoplastic member and related methods
US6790063B2 (en) 2002-05-16 2004-09-14 Homac Mfg. Company Electrical connector including split shield monitor point and associated methods
US20070004259A1 (en) * 2002-05-16 2007-01-04 Homac Mfg. Company Electrical connector including silicone elastomeric material and associated methods
US7351082B2 (en) 2002-05-16 2008-04-01 Homac Mfg. Company Electrical connector including silicone elastomeric material and associated methods
US11147591B2 (en) 2004-11-10 2021-10-19 Roger P Jackson Pivotal bone anchor receiver assembly with threaded closure
US11278327B2 (en) 2004-11-10 2022-03-22 Roger P. Jackson Pivotal bone anchor receiver assembly with unitary and multi-part interchangeable threaded closures
US11564714B2 (en) 2004-11-10 2023-01-31 Roger P. Jackson Spinal stabilization implant assemblies with interchangeable threaded closures
US20080009184A1 (en) * 2004-12-30 2008-01-10 Homac Mfg. Company Electrical connector including viewing window assembly and associated methods
US7717740B2 (en) 2004-12-30 2010-05-18 Thomas & Betts International, Inc. Electrical connector including viewing window assembly and associated methods
US7144279B2 (en) 2004-12-30 2006-12-05 Homac Mfg. Company Electrical connector including viewing windows and associated methods
US6997759B1 (en) * 2004-12-30 2006-02-14 Homac Mfg. Company Electrical connector including moveable cable seating indicators and associated methods
US20060148336A1 (en) * 2004-12-30 2006-07-06 Homac Mfg. Company Electrical connector including removable tether and cap assemblies and associated methods
US7118427B2 (en) * 2004-12-30 2006-10-10 Homac Mfg Company Electrical connector including removable tether and cap assemblies and associated methods
US20060194480A1 (en) * 2004-12-30 2006-08-31 Homac Mfg. Company Electrical connector including insulating boots and associated methods
US20060148287A1 (en) * 2004-12-30 2006-07-06 Homac Mfg. Company Electrical connector including insulating boots and associated methods
US20060286862A1 (en) * 2004-12-30 2006-12-21 Homac Mfg. Company Reusable insulating and sealing structure including tethered cap and associated methods
US20060148329A1 (en) * 2004-12-30 2006-07-06 Homac Mfg. Company Electrical connector including viewing windows and associated methods
US7094094B2 (en) 2004-12-30 2006-08-22 Homac Mfg Company Electrical connector including insulating boots and associated methods
US7090532B1 (en) * 2005-04-04 2006-08-15 Michel Kaine Rocket for electrical connectors
US7229325B1 (en) 2005-07-29 2007-06-12 Ilsco Corporation Submersible electrical connector
US20090181577A1 (en) * 2006-06-05 2009-07-16 Thomas & Betts International, Inc. Electrical connector including cable end seals with tear stop member and related methods
US7611379B2 (en) 2006-06-05 2009-11-03 Thomas & Betts International, Inc. Electrical connector including cable end seals and related methods
US7927119B2 (en) * 2006-06-05 2011-04-19 Thomas & Betts International, Inc. Electrical connector including cable end seals with tear stop member and related methods
US20070281556A1 (en) * 2006-06-05 2007-12-06 Homac Mfg. Company Electrical connector with plug tether assembly and related methods
US20070281538A1 (en) * 2006-06-05 2007-12-06 Homac Mfg. Company Electrical connector including cable end seals and related methods
US7572155B2 (en) 2006-06-05 2009-08-11 Thomas & Betts International, Inc. Electrical connector with plug tether assembly and related methods
US20090176416A1 (en) * 2006-07-25 2009-07-09 Ilsco Corporation Submersible electrical connector
US7625252B2 (en) 2006-07-25 2009-12-01 Ilsco Corporation Submersible electrical connector
US8016622B2 (en) * 2008-11-07 2011-09-13 Sicame Australia Pty Ltd Mains-power electrical connector with a light penetrable cover
US20110318953A1 (en) * 2008-11-07 2011-12-29 Robert James Battle Shear fastener
AU2008243172B2 (en) * 2008-11-07 2012-07-12 Sicame Australia Pty Ltd A Mains-Power Electrical Connector
US20100120300A1 (en) * 2008-11-07 2010-05-13 Robert James Battle Mains-power electrical connector
US11129646B2 (en) 2012-01-10 2021-09-28 Roger P. Jackson Medical implant threaded plug having a start structure with symmetrically shaped concave and convex leading surfaces
US10898233B2 (en) 2012-01-10 2021-01-26 Roger P. Jackson Medical implant receivers having dual lead in closure mating thread forms and curvate extending instrument engaging grooves
US11399873B2 (en) 2012-01-10 2022-08-02 Roger P. Jackson Medical implant threaded plug having a start structure
US9236679B2 (en) * 2012-02-01 2016-01-12 Harting Electric Gmbh & Co. Kg Electric coupling element
US20140370731A1 (en) * 2012-02-01 2014-12-18 Harting Electric Gmbh & Co. Kg Electric coupling element
US10687855B2 (en) 2012-11-21 2020-06-23 Roger P. Jackson Bone anchor receiver with extension portions having controlled splay allowance helically wound flange forms
US12575860B2 (en) 2013-12-12 2026-03-17 Jackson Roger P Closure with strong balanced splay controlling thread form for bone anchor open receiver housings
US9627795B2 (en) 2014-11-21 2017-04-18 Duane K. Smith Electrical connecting assemblies, and related methods

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US20030087552A1 (en) 2003-05-08
US20040142588A1 (en) 2004-07-22
CA2406989A1 (fr) 2003-04-10
MXPA02010032A (es) 2004-10-15
US6817910B2 (en) 2004-11-16
CA2406989C (fr) 2007-12-04

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